This is another remainder that crucial business communication should be based on self-hosted solutions to be independent on third-parties and for privacy reason

This is another remainder that crucial business communication should be based on self-hosted solutions to be independent on third-parties and for privacy reasons. There are good and even more lightweight open source Slack alternatives: Nextcloud Talk, Mattermost, Zulip, Element.io, Jami, to name a few. Relying on a third-party provider is asking for trouble. Plus giving away your private business conversations to feed AI and NSA is another thing.